Home / 398,606,515.20-597,909,772.80-296,569,843.20

Finding the Fourth Proportional to 398,606,515.20, 597,909,772.80 and 296,569,843.20

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Solution

The fourth proportional to 398,606,515.20, 597,909,772.80 and 296,569,843.20 is: 444,854,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,606,515.20 : 597,909,772.80 = 296,569,843.20 : x
  2. Step 2: Convert to fraction form
    398,606,515.20/597,909,772.80 = 296,569,843.20/x
  3. Step 3: Cross multiply
    398,606,515.20x = 597,909,772.80 × 296,569,843.20
  4. Step 4: Simplify right side
    398,606,515.20x = 177,322,007,567,043,616
  5. Step 5: Solve for x
    x = 177,322,007,567,043,616/398,606,515.20
  6. Step 6: Final answer
    x = 444,854,764.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.